constant = {
    dev: {
        server_path: "http://127.0.0.1:9897",
        img_path: "https://www.superjson.com",
        page: ""
    },
    prd: {
        server_path: "https://www.superjson.com",
        img_path: "https://www.superjson.com",
        page: ""
    },
}
_env = "dev";
// _env = "prd";
window.constant = constant[_env];